package com.zz.common.utils.convert;

import java.time.*;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeParseException;
import java.time.temporal.ChronoUnit;
import java.time.temporal.TemporalAdjusters;
import java.util.Date;

/**
 * @author zl
 * @version 1.0.0
 */
public class LocalDateTimeUtil {

    public static final String defaultDateTimeFormat = "yyyy-MM-dd HH:mm:ss";
    public static final String defaultDateFormat = "yyyy-MM-dd";
    public static final String defaultTimeFormat = "HH:mm:ss";

    /**
     * 当前时间
     *
     * @return
     */
    public static LocalDateTime now() {
        return LocalDateTime.now();
    }

    /**
     * Date 转 LocalDateTime
     *
     * @return
     */
    public static LocalDateTime convert(Date date) {
        return LocalDateTime.ofInstant(Instant.ofEpochMilli(date.getTime()), ZoneId.systemDefault());
    }

    /**
     * LocalDateTime 转 Date
     *
     * @return
     */
    public static Date convert(LocalDateTime localDateTime) {
        return Date.from(localDateTime.atZone(ZoneId.systemDefault()).toInstant());
    }

    /**
     * String 转 LocalDateTime
     * eg: 2023-11-03 14:29:00
     *
     * @return
     */
    public static LocalDateTime convertStrToLocalDateTime(String strDateTime, String format) throws DateTimeParseException {
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern(format);
        return LocalDateTime.parse(strDateTime, formatter);
    }

    /**
     * String 转 LocalDateTime
     * eg: 2023-11-03
     *
     * @return
     */
    public static LocalDate convertStrToLocalDate(String strDate, String format) throws DateTimeParseException {
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern(format);
        return LocalDate.parse(strDate, formatter);
    }

    /**
     * String 转 LocalTime
     * eg: 14:29:00
     *
     * @return
     */
    public static LocalTime convertStrToLocalTime(String value, String format) throws DateTimeParseException {
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern(format);
        return LocalTime.parse(value, formatter);
    }

    /**
     * LocalDateTime 转 时间戳(s)
     *
     * @return
     */
    public static long convertLocalDateTimeToTimestamp(LocalDateTime dateTime) {
        return dateTime.atZone(ZoneId.systemDefault()).toEpochSecond();
    }

    /**
     * LocalDateTime 转 时间戳(ms)
     *
     * @return
     */
    public static long convertLocalDateTimeToMilli(LocalDateTime dateTime) {
        return dateTime.atZone(ZoneId.systemDefault()).toInstant().toEpochMilli();
    }

    /**
     * LocalDateTime 转 str
     *
     * @return
     */
    public static String convertLocalDateTimeToStr(LocalDateTime now, String valueFormat) {
        DateTimeFormatter f = DateTimeFormatter.ofPattern(valueFormat);
        return now.format(f);
    }

    /**
     * 今天开始时间
     *
     * @return
     */
    public static LocalDateTime todayStartTime() {
        return LocalDateTime.of(LocalDate.now(), LocalTime.MIN);
    }

    /**
     * 今天结束时间
     *
     * @return
     */
    public static LocalDateTime todayEndTime() {
        return LocalDateTime.of(LocalDate.now(), LocalTime.MAX);
    }

    /**
     * 昨天开始时间
     *
     * @return
     */
    public static LocalDateTime yesterdayStartTime() {
        return LocalDateTime.of(LocalDate.now().minus(1L, ChronoUnit.DAYS), LocalTime.MIN);
    }

    /**
     * 昨天结束时间
     *
     * @return
     */
    public static LocalDateTime yesterdayEndTime() {
        return LocalDateTime.of(LocalDate.now().minus(1L, ChronoUnit.DAYS), LocalTime.MAX);
    }

    /**
     * 最近7天开始时间
     *
     * @return
     */
    public static LocalDateTime last7DaysStartTime() {
        return LocalDateTime.of(LocalDate.now().minus(6L, ChronoUnit.DAYS), LocalTime.MIN);
    }

    /**
     * 最近7天结束时间
     *
     * @return
     */
    public static LocalDateTime last7DaysEndTime() {
        return LocalDateTime.of(LocalDate.now(), LocalTime.MAX);
    }

    /**
     * 最近30天开始时间
     *
     * @return
     */
    public static LocalDateTime last30DaysStartTime() {
        return LocalDateTime.of(LocalDate.now().minus(29L, ChronoUnit.DAYS), LocalTime.MIN);
    }

    /**
     * 最近30天结束时间
     *
     * @return
     */
    public static LocalDateTime last30DaysEndTime() {
        return LocalDateTime.of(LocalDate.now(), LocalTime.MAX);
    }

    /**
     * 最近一年开始时间
     *
     * @return
     */
    public static LocalDateTime last1YearStartTime() {
        return LocalDateTime.of(LocalDate.now().minus(1L, ChronoUnit.YEARS).plus(1L, ChronoUnit.DAYS), LocalTime.MIN);
    }

    /**
     * 最近一年结束时间
     *
     * @return
     */
    public static LocalDateTime last1YearEndTime() {
        return LocalDateTime.of(LocalDate.now(), LocalTime.MAX);
    }

    /**
     * 本周开始时间
     *
     * @return
     */
    public static LocalDateTime weekStartTime() {
        LocalDate now = LocalDate.now();
        return LocalDateTime.of(now.minusDays(now.getDayOfWeek().getValue() - 1), LocalTime.MIN);
    }

    /**
     * 本周结束时间
     *
     * @return
     */
    public static LocalDateTime weekEndTime() {
        LocalDate now = LocalDate.now();
        return LocalDateTime.of(now.plusDays(7 - now.getDayOfWeek().getValue()), LocalTime.MAX);
    }

    /**
     * 本月开始时间
     *
     * @return
     */
    public static LocalDateTime monthStartTime() {
        return LocalDateTime.of(LocalDate.now().with(TemporalAdjusters.firstDayOfMonth()), LocalTime.MIN);
    }

    /**
     * 本月结束时间
     *
     * @return
     */
    public static LocalDateTime monthEndTime() {
        return LocalDateTime.of(LocalDate.now().with(TemporalAdjusters.lastDayOfMonth()), LocalTime.MAX);
    }

    /**
     * 本季度开始时间
     *
     * @return
     */
    public static LocalDateTime quarterStartTime() {
        LocalDate now = LocalDate.now();
        Month month = Month.of(now.getMonth().firstMonthOfQuarter().getValue());
        return LocalDateTime.of(LocalDate.of(now.getYear(), month, 1), LocalTime.MIN);
    }

    /**
     * 本季度结束时间
     *
     * @return
     */
    public static LocalDateTime quarterEndTime() {
        LocalDate now = LocalDate.now();
        Month month = Month.of(now.getMonth().firstMonthOfQuarter().getValue()).plus(2L);
        return LocalDateTime.of(LocalDate.of(now.getYear(), month, month.length(now.isLeapYear())), LocalTime.MAX);
    }

    /**
     * 本半年开始时间
     *
     * @return
     */
    public static LocalDateTime halfYearStartTime() {
        LocalDate now = LocalDate.now();
        Month month = (now.getMonthValue() > 6) ? Month.JULY : Month.JANUARY;
        return LocalDateTime.of(LocalDate.of(now.getYear(), month, 1), LocalTime.MIN);
    }

    /**
     * 本半年结束时间
     *
     * @return
     */
    public static LocalDateTime halfYearEndTime() {
        LocalDate now = LocalDate.now();
        Month month = (now.getMonthValue() > 6) ? Month.DECEMBER : Month.JUNE;
        return LocalDateTime.of(LocalDate.of(now.getYear(), month, month.length(now.isLeapYear())), LocalTime.MAX);
    }

    /**
     * 本年开始时间
     *
     * @return
     */
    public static LocalDateTime yearStartTime() {
        return LocalDateTime.of(LocalDate.now().with(TemporalAdjusters.firstDayOfYear()), LocalTime.MIN);
    }

    /**
     * 本年结束时间
     *
     * @return
     */
    public static LocalDateTime yearEndTime() {
        return LocalDateTime.of(LocalDate.now().with(TemporalAdjusters.lastDayOfYear()), LocalTime.MAX);
    }

    /**
     * 上周开始时间
     *
     * @return
     */
    public static LocalDateTime lastWeekStartTime() {
        LocalDate lastWeek = LocalDate.now().minus(1L, ChronoUnit.WEEKS);
        return LocalDateTime.of(lastWeek.minusDays(lastWeek.getDayOfWeek().getValue() - 1), LocalTime.MIN);
    }

    /**
     * 上周结束时间
     *
     * @return
     */
    public static LocalDateTime lastWeekEndTime() {
        LocalDate lastWeek = LocalDate.now().minus(1L, ChronoUnit.WEEKS);
        return LocalDateTime.of(lastWeek.plusDays(7 - lastWeek.getDayOfWeek().getValue()), LocalTime.MAX);
    }

    /**
     * 上月开始时间
     *
     * @return
     */
    public static LocalDateTime lastMonthStartTime() {
        return LocalDateTime.of(LocalDate.now().minus(1L, ChronoUnit.MONTHS).with(TemporalAdjusters.firstDayOfMonth()), LocalTime.MIN);
    }

    /**
     * 上月结束时间
     *
     * @return
     */
    public static LocalDateTime lastMonthEndTime() {
        return LocalDateTime.of(LocalDate.now().minus(1L, ChronoUnit.MONTHS).with(TemporalAdjusters.lastDayOfMonth()), LocalTime.MAX);
    }

    /**
     * 上季度开始时间
     *
     * @return
     */
    public static LocalDateTime lastQuarterStartTime() {
        LocalDate now = LocalDate.now();
        Month firstMonthOfQuarter = Month.of(now.getMonth().firstMonthOfQuarter().getValue());
        Month firstMonthOfLastQuarter = firstMonthOfQuarter.minus(3L);
        int yearOfLastQuarter = firstMonthOfQuarter.getValue() < 4 ? now.getYear() - 1 : now.getYear();
        return LocalDateTime.of(LocalDate.of(yearOfLastQuarter, firstMonthOfLastQuarter, 1), LocalTime.MIN);
    }

    /**
     * 上季度结束时间
     *
     * @return
     */
    public static LocalDateTime lastQuarterEndTime() {
        LocalDate now = LocalDate.now();
        Month firstMonthOfQuarter = Month.of(now.getMonth().firstMonthOfQuarter().getValue());
        Month firstMonthOfLastQuarter = firstMonthOfQuarter.minus(1L);
        int yearOfLastQuarter = firstMonthOfQuarter.getValue() < 4 ? now.getYear() - 1 : now.getYear();
        return LocalDateTime.of(LocalDate.of(yearOfLastQuarter, firstMonthOfLastQuarter, firstMonthOfLastQuarter.maxLength()), LocalTime.MAX);
    }

    /**
     * 上半年开始时间
     *
     * @return
     */
    public static LocalDateTime lastHalfYearStartTime() {
        LocalDate now = LocalDate.now();
        int lastHalfYear = (now.getMonthValue() > 6) ? now.getYear() : now.getYear() - 1;
        Month firstMonthOfLastHalfYear = (now.getMonthValue() > 6) ? Month.JANUARY : Month.JULY;
        return LocalDateTime.of(LocalDate.of(lastHalfYear, firstMonthOfLastHalfYear, 1), LocalTime.MIN);
    }

    /**
     * 上半年结束时间
     *
     * @return
     */
    public static LocalDateTime lastHalfYearEndTime() {
        LocalDate now = LocalDate.now();
        int lastHalfYear = (now.getMonthValue() > 6) ? now.getYear() : now.getYear() - 1;
        Month lastMonthOfLastHalfYear = (now.getMonthValue() > 6) ? Month.JUNE : Month.DECEMBER;
        return LocalDateTime.of(LocalDate.of(lastHalfYear, lastMonthOfLastHalfYear, lastMonthOfLastHalfYear.maxLength()), LocalTime.MAX);
    }

    /**
     * 上一年开始时间
     *
     * @return
     */
    public static LocalDateTime lastYearStartTime() {
        return LocalDateTime.of(LocalDate.now().minus(1L, ChronoUnit.YEARS).with(TemporalAdjusters.firstDayOfYear()), LocalTime.MIN);
    }

    /**
     * 上一年结束时间
     *
     * @return
     */
    public static LocalDateTime lastYearEndTime() {
        return LocalDateTime.of(LocalDate.now().minus(1L, ChronoUnit.YEARS).with(TemporalAdjusters.lastDayOfYear()), LocalTime.MAX);
    }

    /**
     * 下周开始时间
     *
     * @return
     */
    public static LocalDateTime nextWeekStartTime() {
        LocalDate nextWeek = LocalDate.now().plus(1L, ChronoUnit.WEEKS);
        return LocalDateTime.of(nextWeek.minusDays(nextWeek.getDayOfWeek().getValue() - 1), LocalTime.MIN);
    }

    /**
     * 下周结束时间
     *
     * @return
     */
    public static LocalDateTime nextWeekEndTime() {
        LocalDate nextWeek = LocalDate.now().plus(1L, ChronoUnit.WEEKS);
        return LocalDateTime.of(nextWeek.plusDays(7 - nextWeek.getDayOfWeek().getValue()), LocalTime.MAX);
    }

    /**
     * 下月开始时间
     *
     * @return
     */
    public static LocalDateTime nextMonthStartTime() {
        return LocalDateTime.of(LocalDate.now().plus(1L, ChronoUnit.MONTHS).with(TemporalAdjusters.firstDayOfMonth()), LocalTime.MIN);
    }

    /**
     * 下月结束时间
     *
     * @return
     */
    public static LocalDateTime nextMonthEndTime() {
        return LocalDateTime.of(LocalDate.now().plus(1L, ChronoUnit.MONTHS).with(TemporalAdjusters.lastDayOfMonth()), LocalTime.MAX);
    }

    /**
     * 下季度开始时间
     *
     * @return
     */
    public static LocalDateTime nextQuarterStartTime() {
        LocalDate now = LocalDate.now();
        Month firstMonthOfQuarter = Month.of(now.getMonth().firstMonthOfQuarter().getValue());
        Month firstMonthOfNextQuarter = firstMonthOfQuarter.plus(3L);
        int yearOfNextQuarter = firstMonthOfQuarter.getValue() > 9 ? now.getYear() + 1 : now.getYear();
        return LocalDateTime.of(LocalDate.of(yearOfNextQuarter, firstMonthOfNextQuarter, 1), LocalTime.MIN);
    }

    /**
     * 下季度结束时间
     *
     * @return
     */
    public static LocalDateTime nextQuarterEndTime() {
        LocalDate now = LocalDate.now();
        Month firstMonthOfQuarter = Month.of(now.getMonth().firstMonthOfQuarter().getValue());
        Month firstMonthOfNextQuarter = firstMonthOfQuarter.plus(5L);
        int yearOfNextQuarter = firstMonthOfQuarter.getValue() > 9 ? now.getYear() + 1 : now.getYear();
        return LocalDateTime.of(LocalDate.of(yearOfNextQuarter, firstMonthOfNextQuarter, firstMonthOfNextQuarter.maxLength()), LocalTime.MAX);
    }

    /**
     * 上半年开始时间
     *
     * @return
     */
    public static LocalDateTime nextHalfYearStartTime() {
        LocalDate now = LocalDate.now();
        int nextHalfYear = (now.getMonthValue() > 6) ? now.getYear() + 1 : now.getYear();
        Month firstMonthOfNextHalfYear = (now.getMonthValue() > 6) ? Month.JANUARY : Month.JULY;
        return LocalDateTime.of(LocalDate.of(nextHalfYear, firstMonthOfNextHalfYear, 1), LocalTime.MIN);
    }

    /**
     * 上半年结束时间
     *
     * @return
     */
    public static LocalDateTime nextHalfYearEndTime() {
        LocalDate now = LocalDate.now();
        int lastHalfYear = (now.getMonthValue() > 6) ? now.getYear() + 1 : now.getYear();
        Month lastMonthOfNextHalfYear = (now.getMonthValue() > 6) ? Month.JUNE : Month.DECEMBER;
        return LocalDateTime.of(LocalDate.of(lastHalfYear, lastMonthOfNextHalfYear, lastMonthOfNextHalfYear.maxLength()), LocalTime.MAX);
    }

    /**
     * 下一年开始时间
     *
     * @return
     */
    public static LocalDateTime nextYearStartTime() {
        return LocalDateTime.of(LocalDate.now().plus(1L, ChronoUnit.YEARS).with(TemporalAdjusters.firstDayOfYear()), LocalTime.MIN);
    }

    /**
     * 下一年结束时间
     *
     * @return
     */
    public static LocalDateTime nextYearEndTime() {
        return LocalDateTime.of(LocalDate.now().plus(1L, ChronoUnit.YEARS).with(TemporalAdjusters.lastDayOfYear()), LocalTime.MAX);
    }
}
